Home / 95,430.11-143,123.29-42,854.63

Finding the Fourth Proportional to 95,430.11, 143,123.29 and 42,854.63

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Solution

The fourth proportional to 95,430.11, 143,123.29 and 42,854.63 is: 64,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.11 : 143,123.29 = 42,854.63 : x
  2. Step 2: Convert to fraction form
    95,430.11/143,123.29 = 42,854.63/x
  3. Step 3: Cross multiply
    95,430.11x = 143,123.29 × 42,854.63
  4. Step 4: Simplify right side
    95,430.11x = 6,133,494,814.58
  5. Step 5: Solve for x
    x = 6,133,494,814.58/95,430.11
  6. Step 6: Final answer
    x = 64,272.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.